Basileostylus bollonsi

{{Speciesbox

| image = Naturalis Biodiversity Center - RMNH.MOL.266749 - Placostylus (Basileostylus) bollonsi Suter, 1908 - Placostylidae - Mollusc shell.jpeg

| status = VU

| status_system = IUCN2.3

| status_ref = {{cite iucn |author=Sherley, G. |date=1996 |title=Placostylus bollonsi |volume=1996 |page=e.T17445A7074297 |doi=10.2305/IUCN.UK.1996.RLTS.T17445A7074297.en |access-date=16 November 2021}}

| taxon = Basileostylus bollonsi

| authority = (Suter, 1908)

|synonyms_ref=

|synonyms=

Placostylus (Basileostylus) bollonsi Suter, 1908
Placostylus (Basileostylus) bollonsi arbutus Powell, 1948
Placostylus (Basileostylus) bollonsi caperatus Powell, 1948
Placostylus bollonsi Suter, 1908

|display_parents= 3

}}

Basileostylus bollonsi , common name the New Zealand flax snail or {{lang|mi|pupuharakeke}}, is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Bothriembryontidae.MolluscaBase eds. (2021). MolluscaBase. Basileostylus bollonsi (Suter, 1908). Accessed through: World Register of Marine Species at: http://www.marinespecies.org/aphia.php?p=taxdetails&id=863080 on 2022-01-22

Distribution

This species is endemic to the Three Kings Islands group off the northern tip of New Zealand's North Island.

Subspecies

A number of subspecies were recognised; Placostylus bollonsi arbutus and P. b. bollonsi are classified by the New Zealand Department of Conservation as being Nationally Endangered, while Placostylus bollonsi caperatus is classified as Nationally Critical.{{cite web |url=http://www.doc.govt.nz/publications/conservation/nz-threat-classification-system/nz-threat-classification-system-lists-2002/terrestial-invertebrate-part-one/ |publisher=New Zealand Department of Conservation |title=New Zealand Threat Classification System lists - 2002 - Terrestrial invertebrate - part one |year=2002 |access-date=March 3, 2010}}

Buckley et al. (2011) found based on molecular phylogeny research and shell morphology research, that there are no subspecies of Placostylus bollonsi.Buckley T. R., Stringer I., Gleeson D., Howitt R., Attanayake D., Parrish R., Sherley G. & Rohan M. (2011). "A revision of the New Zealand Placostylus land snails using mitochondrial DNA and shell morphometric analyses, with implications for conservation". New Zealand Journal of Zoology 38(1): 55-81. {{doi|10.1080/03014223.2010.527997}}.

Basileostylus bollonsi

Distribution

Subspecies

References

Further reading